function [ ] = Derivative_operations(path)
%% 偏导
img_orig7 = rgb2gray(imread(path));
H6 = fspecial('laplacian');
H7 = fspecial('sobel');
laplacian = imfilter(img_orig7, H6);
sobel = imfilter(img_orig7, H7);
figure();
subplot(1, 3, 1);
imshow(img_orig7);
title('Origin');
subplot(1, 3, 2);
imshow(laplacian);
title('laplacian');
subplot(1, 3, 3);
imshow(sobel);
title('sobel');
end